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[fuh-sik-yuh-luh s] /fəˈsɪk yə ləs/
noun, plural fasciculi
[fuh-sik-yuh-lahy] /fəˈsɪk yəˌlaɪ/ (Show IPA)
a fascicle, as of nerve or muscle fibers.
a fascicle of a book.
Origin of fasciculus
From Latin, dating back to 1705-15; See origin at fascicle Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for fasciculi
Historical Examples
  • One of these fasciculi is anterior; the other is situated further back.

  • Hunter counted thirty-four of these fasciculi in one of the largest.

    Curiosities of Medical Experience J. G. (John Gideon) Millingen
  • All the muscles are enveloped in membranes, and the fasciculi, or bundles and fibres of muscles, have their membranous sheathing.

  • These two fasciculi terminate in the snout, which they move laterally.

  • Thence it passes towards the tarsus and divides into two fasciculi, internal and external, which are continued by tendons.

  • The two fasciculi then pass towards the knee, being in relation with the rectus and the vastus internus of the triceps.

  • In no respect does man so much differ from the ape as in the quantitative development of these fasciculi.

    Degeneracy Eugene S. Talbot
  • The muscle itself is made up of a number of these fasciculi bound together by a denser layer of connective tissue.

    A Practical Physiology Albert F. Blaisdell
  • Pick the bundles and fasciculi apart until the fibers are so fine as to be almost invisible to the naked eye.

    A Practical Physiology Albert F. Blaisdell
  • fasciculi from this band may penetrate into the root of the mesentery (Gegenbaur).

British Dictionary definitions for fasciculi


noun (pl) -li (-ˌlaɪ)
another name for fascicle (sense 2), fascicule
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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fasciculi in Medicine

fasciculus fas·cic·u·lus (fə-sĭk'yə-ləs)
n. pl. fas·cic·u·li (-lī')
A bundle of anatomical fibers, as of muscle. Also called fascicle.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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